Add a persistent event log for shop and prep actions.

web/src/styles.css

@@ -330,6 +330,13 @@ h3 {
   padding: 4px 10px;
 }
 
+.table-body {
+  flex: 1;
+  display: flex;
+  align-items: flex-start;
+  min-height: 0;
+}
+
 .table-main {
   flex: 1;
   padding: 20px 16px 40px;
@@ -338,6 +345,135 @@ h3 {
   margin: 0 auto;
 }
 
+/* ---------- event log ---------- */
+
+.event-log {
+  width: 300px;
+  flex-shrink: 0;
+  align-self: stretch;
+  position: sticky;
+  top: 0;
+  max-height: calc(100vh - 58px);
+  display: flex;
+  flex-direction: column;
+  background: rgba(0, 0, 0, 0.28);
+  border-left: 3px solid rgba(0, 0, 0, 0.35);
+}
+
+.event-log.is-collapsed {
+  width: 42px;
+}
+
+.event-log-head {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 6px;
+  padding: 8px 10px;
+  font-family: var(--font-display);
+  font-size: 0.9rem;
+  color: var(--gold);
+  background: rgba(0, 0, 0, 0.25);
+  border-bottom: 2px solid rgba(0, 0, 0, 0.3);
+  white-space: nowrap;
+}
+
+.event-log.is-collapsed .event-log-head {
+  writing-mode: vertical-rl;
+  justify-content: flex-start;
+  gap: 10px;
+  padding: 10px 8px;
+  height: 100%;
+}
+
+.event-log.is-collapsed .event-log-head button {
+  writing-mode: horizontal-tb;
+}
+
+.event-log-body {
+  flex: 1;
+  overflow-y: auto;
+  padding: 8px 10px 12px;
+  display: flex;
+  flex-direction: column;
+  gap: 5px;
+  font-size: 0.82rem;
+  line-height: 1.25;
+}
+
+.log-empty {
+  padding: 8px 2px;
+  font-style: italic;
+}
+
+.log-line {
+  display: flex;
+  gap: 6px;
+  align-items: baseline;
+  padding: 3px 6px;
+  border-radius: 6px;
+  border-left: 3px solid transparent;
+  background: rgba(255, 255, 255, 0.03);
+}
+
+.log-icon {
+  flex-shrink: 0;
+}
+
+.log-text {
+  min-width: 0;
+  word-break: break-word;
+}
+
+.log-line.log-you {
+  border-left-color: var(--gold);
+}
+
+.log-line.log-opp {
+  border-left-color: var(--red);
+}
+
+.log-line.log-system {
+  background: none;
+  color: var(--cream-dark);
+  justify-content: center;
+  font-family: var(--font-display);
+  font-size: 0.8rem;
+  opacity: 0.85;
+  margin-top: 4px;
+}
+
+.log-line.log-divider {
+  border-top: 1px dashed rgba(253, 243, 220, 0.25);
+  padding-top: 8px;
+  color: var(--gold);
+}
+
+.log-line.log-current {
+  background: rgba(255, 207, 92, 0.18);
+  outline: 1px solid rgba(255, 207, 92, 0.4);
+}
+
+@media (max-width: 860px) {
+  .table-body {
+    flex-direction: column;
+  }
+  .event-log {
+    width: 100%;
+    position: static;
+    max-height: 220px;
+    border-left: none;
+    border-top: 3px solid rgba(0, 0, 0, 0.35);
+  }
+  .event-log.is-collapsed {
+    width: 100%;
+  }
+  .event-log.is-collapsed .event-log-head {
+    writing-mode: horizontal-tb;
+    height: auto;
+  }
+}
+
 /* ---------- lobby ---------- */
 
 .lobby {